Irresponsible Disclosure

RPKI, or Resource Public Key Infrastructure, is a way to cryptographically produce and sign messages that bind a particular IP prefix with an originating Autonomous System. It essentially contains the information "192.0.2.0/…

The Internet, like almost anything invented by humans, has been used to conduct malicious acts. This can be something not really important like comment spam, all the way to very important cases that are usually…

In the past few days, a study was released detailing some attacks against the Tor Network. These attacks made it into the news because one could compromise Tor Users' anonymity by examining the DNS queries…

The Tor Project is a non-profit organization in the United States that created Tor, The Onion Router, a free software that creates an open network of volunteers which helps people anonymize their traffic by routing…

Earlier this summer, I have participated in the organization of a Capture the Flag competition in Aristotle University of Thessaloniki for students of the Computer Science / Informatics Department. It was co-organized by me, Spyridon Rafail…

eBay is one of the largest e-commerce websites available, especially to people in countries without Amazon. It does not sell its products directly, but instead relies on its users, therefore making an important distinction between…